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Finding the Fourth Proportional to 482,667.60, 724,235.13 and 198,568.10

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Solution

The fourth proportional to 482,667.60, 724,235.13 and 198,568.10 is: 297,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,667.60 : 724,235.13 = 198,568.10 : x
  2. Step 2: Convert to fraction form
    482,667.60/724,235.13 = 198,568.10/x
  3. Step 3: Cross multiply
    482,667.60x = 724,235.13 × 198,568.10
  4. Step 4: Simplify right side
    482,667.60x = 143,809,993,717.35
  5. Step 5: Solve for x
    x = 143,809,993,717.35/482,667.60
  6. Step 6: Final answer
    x = 297,948.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.